Mets had a lot of heart in 1969, pulled off a miracle to end a
Mets retire Jerry Koosman's No. 36 in Citi Field ceremony
Jerry Koosman- Mets All Time Lefthander (Part Three 1974-1985)
Gil Hodges Has Always Belonged in the Hall of Fame
Remembering Mets History (1968): Jerry Koosman Tosses Back to Back
The Twins Almanac ⚾️ on X: Minnesota native Jerry Koosman
Hall of Fame honorable mentions: Pitchers - Amazin' Avenue
Mets' Jerry Koosman is finally getting the respect he is due
Turning back the clock: A look at the Mets' last Old-Timers' Day
Surging Mets just might ride Jacob deGrom, Max Scherzer to a real
Jerry Koosman: NY Mets legend on jersey retirement, World Series
This Date In Mets History: September 16 — 20 Wins for Koosman, 20